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Possible Causes
Filter media dirty
Intake strainer clogged
Kink or dirt
in the hoses
Lever position
on adapter wrong
Adapter dirty
Too many accessories
connected to the hose
system
Priming support sluggish
C°
Thermofilter:
Attention:
(27) The heater must not be connected to the mains by its separate lead until the fil-
ter is operating smoothly.
Never operate the heater when dry.
(28) The display on the thermostat shows the actual water temperature in the aquarium. The
desired temperature can be set with the adjusting knob (e.g. 27° C).
A symbol ( ) indicates when the heater is in operation. When the symbol is extinguished the
set temperature has been reached and the heater is automatically switched off. When the tem-
perature in the aquarium drops below the set value the heater automatically turns itself on. By
slightly turning the adjusting knob precise adjustments can be made.
Note:
Depending on ambient temperature, setting mode and tolerance values the display may
not show the actual temperature until several hours later. In case of a mains fault the display
changes and the heater automatically switches off. After the interruption the heater continues
working normally.
(29) For maintenance and servicing always first disconnect the mains plug of the
Attention:
heater, then the mains plug for the pump.
Never operate the heater when dry.
Maintenance and Servicing
First disconnect mains plug.
Attention:
(30) Remove adapter, pressing the safety catch to the right while simultaneously pulling the adap-
ter lever forwards.
(31) Place fingers in the indentations and lift filter out of its cabinet, open all EZ clips and remove
filter head.
Checking, Elimination
Clean or replace filter media.
Remove coarse dirt, clean intake strainer.
Check hoses and smooth out kinks. Clean hoses thoroughly
with cleaning brush (order no. 4006570).
Check and correct lever position.
Remove adapter, press down locking bar and clean openings
with cleaning brush (order no. 4006570).
Connected accessories reduce the pressure of the circulating
water. Check and possibly remove unnecessary accessories.
Grease bed with vaseline (order no. 7345988).
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